package com.atguigu.gulimail.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.utils.Response;
import com.atguigu.gulimail.product.entity.*;
import com.atguigu.gulimail.product.fegin.CouponFeginService;
import com.atguigu.gulimail.product.fegin.SearchFeignService;
import com.atguigu.gulimail.product.fegin.WareFeignService;
import com.atguigu.gulimail.product.service.*;
import com.atguigu.gulimail.product.vo.*;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimail.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {


    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService imagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    BrandService brandService;

    @Autowired
    ProductAttrValueService attrValueService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeginService couponFeginService;

    @Autowired
    CategoryService categoryService;

    @Autowired
    WareFeignService wareFeignService;

    @Autowired
    SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     *
     * @param vo
     */
    @Transactional
    @Override
    public void saveSpuInfo (SpuSavevo vo) {
        //1.保存spu基本信息 pms_spu_info

        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);

        //2.保存spu的描述图片 pms_spu_info_desc

        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);

        //3.保存spu的图片集 pms_spu_images
        List<String> images = vo.getImages();
        imagesService.saveImages(infoEntity.getId(),images);


        //4.保存spu的规格参数 pms_product_attr_value

        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();

        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());

            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());

            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);
        
        //5.保存spu积分信息  gulimail_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());

        Response r1 = couponFeginService.saveSpuBoounds(spuBoundTo);
        if(r1.getCode()!=0){
            log.error("远程保存spu优惠信息失败");
        }


        //6.保存当前spu对应的所有sku信息
        //6.1 sku的基本信息 pms_sku_info

        List<Skus> skus = vo.getSkus();
        if(skus!=null&&skus.size()>0){
            skus.forEach(item->{
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if(image.getDefaultImg()==1){
                        defaultImg = image.getImgUrl();
                    }
                }
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                /**
                 *   private String skuName;
                 *     private BigDecimal price;
                 *     private String skuTitle;
                 *     private String skuSubtitle;
                 */
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                skuInfoService.saveSkuInfo(skuInfoEntity);
                Long skuId = skuInfoEntity.getSkuId();
                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;

                }).filter(entity->{
                    //返回true就是需要,false就是剔除
                        return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());

                //6.2 sku的图片信息 pms_sku_images
                //TODO  没有图片路径的无需保存
                skuImagesService.saveBatch(imagesEntities);

                //6.3 sku的销售属性信息 pms_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);
                    return attrValueEntity;
                }).collect(Collectors.toList());
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                //6.4 sku的优惠,满减等信息 gulimail_sms-> sms_sku_ladder\sms_sku_full_reduction
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if(skuReductionTo.getFullCount()>0 ||skuReductionTo.getFullPrice().compareTo(new BigDecimal("0"))==1){
                    Response r = couponFeginService.savaSkuReductin(skuReductionTo);
                    if(r.getCode()!=0){
                        log.error("远程保存sku优惠信息失败");
                    }
                };

            });

        }





    }

    @Override
    public void saveBaseSpuInfo (SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }


    @Override
    public PageUtils queryPageByCondtion (Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> queryWrapper = new QueryWrapper<>();
        /**
         * status: 2
         * key:
         * brandId: 0
         * catelogId: 0
         */
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            queryWrapper.and((wrapper) -> {
                wrapper.eq("id",key).or().like("spu_name",key);
            });
        }

        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            queryWrapper.eq("publish_status",status);
        }

        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            queryWrapper.eq("brand_id",brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            queryWrapper.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(new Query<SpuInfoEntity>().getPage(params), queryWrapper);

        return new PageUtils(page);
    }

    /**
     * 商品上架
     * @param spuId
     */
    @Override
    public void up (Long spuId) {
        List<SkuEsModel> upProducts = new ArrayList<>();


        SkuEsModel esModel = new SkuEsModel();
        List<SkuInfoEntity> skuInfoEntities = skuInfoService.getSkusBySpuId(spuId);

        //查询sku所有可用的规格属性
       List<ProductAttrValueEntity> baseAttributes =  attrValueService.baseAttrlistforspu(spuId);

        List<Long> attrIds = baseAttributes.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());

        List<Long> seletcSearchAttrIds = attrService.seletcSearchAttrIds(attrIds);

        Set<Long> idSet = new HashSet<>(seletcSearchAttrIds);
        List<SkuEsModel.Attrs> attrs = new ArrayList<>();

        List<SkuEsModel.Attrs> attrsList = baseAttributes.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;
        }).collect(Collectors.toList());

        //调用库存检索是否有库存
        Response skuHasStock = null;
        Map<Long, Boolean> stockMap = null;
        try {
            List<Long> WareSkuIds = skuInfoEntities.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
            skuHasStock = wareFeignService.getSkuHasStock(WareSkuIds);
            TypeReference<List<SkuHasStockVo>> listTypeReference = new TypeReference<List<SkuHasStockVo>>(){};
            stockMap = skuHasStock.getData(listTypeReference).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));

        } catch (Exception e) {
            log.error("调用库存服务失败，{}" +  e);
        }
        //将skuId和是否有库存放入一个map中


        Map<Long, Boolean> finalStockMap = stockMap;
        upProducts = skuInfoEntities.stream().map(sku -> {
            SkuEsModel esModel1 = new SkuEsModel();
            BeanUtils.copyProperties(sku, esModel1);
            //skuPrice skuImg hasStock hotScore brandName brandImg catalogName List<Attrs>
            esModel1.setSkuPrice(sku.getPrice());
            esModel1.setSkuImg(sku.getSkuDefaultImg());

            //设置库存信息
            if (finalStockMap !=null&& finalStockMap.size()!=0){
                esModel1.setHasStock(finalStockMap.get(sku.getSkuId()));
            }else {
                esModel1.setHasStock(true);
            }



            //热度评分
            esModel1.setHotScore(100L);

            //设置品牌和分类的名字
            BrandEntity brand = brandService.getById(sku.getBrandId());
            esModel1.setBrandId(brand.getBrandId());
            esModel1.setBrandName(brand.getName());

            CategoryEntity categoryEntity = categoryService.getById(sku.getCatalogId());
            esModel1.setCatalogName(categoryEntity.getName());
            //设置检索属性
            esModel1.setAttrs(attrsList);



            return esModel1;
        }).collect(Collectors.toList());

        //数据发送es  调用search服务

        Response r = null;
        try {
            r = searchFeignService.produceStatusUp(upProducts);
            if (r.getCode()==0) {
                log.debug("上架成功");
                //上架成功就修改spu状态
                baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
            }else {
                log.debug("上架失败");
            }
        } catch (Exception e) {
            //远程调用失败
            log.error("调用search服务异常，{}", e);
        }




    }


}